Use of Fabric as library (for fab-user mailing list)

gistfile1.txt

# With many thanks to pmuller for its streamlogger class : # https://gist.githubusercontent.com/pmuller/2376336/raw/cc455144c66b058d8de56c5d6c0a87dbd7c301d5/streamlogger.py

class FabricException(Exception):
    pass
    

def fabric_task(host, command, **kwargs):
    """
        Args:
            host (string): eg : server-id
            command (import path) : python import path to the task, eg sercie.process.status
    """
    fabric.api.env.host_string = "root@{0}:22".format(host)
    fabric.api.env.host = host
    fabric.api.env.abort_on_prompts = True
    fabric.api.env.colorize_errors = False
    fabric.api.env.abort_exception = FabricException
    fabric.api.env.warn_only = True
    from app.lib.streamsilencer import StreamSilencer
    with StreamSilencer('stdout'):
        try:
            with fabric.api.quiet():
                return fabric.api.execute(command,
                                          hosts=[fabric.api.env.host_string],
                                          **kwargs)[fabric.api.env.host_string]
        finally:
            fabric.network.disconnect_all()